Adaptation

a change or the process of change by which an organism or species becomes better suited to its environment.

Aerobic exercise

physical activities that require the body to use oxygen to produce energy.

Anaerobic exercise

physical activity that occurs without the use of oxygen.

Cardiovascular endurance

the ability of your heart, lungs, and blood vessels to efficiently deliver oxygen to your working muscles during sustained physical activity.

Concentric exercise

a type of muscle contraction where the muscle shortens while producing force.

Cool down

to become or make something less hot or intense, or to become calm after being angry or agitated

Diminishing return

proportionally smaller profits or benefits derived from something as more money or energy is invested in it.

Eccentric exercise

movements where muscles lengthen under tension.

Exercise plateau

a period of stagnation or lack of progress in fitness or exercis

F.I.T.T. principle

Frequency, Intensity, Time, and Type

Flexibility

when you can bend your boddy

Heart rate

the number of times your heart beats per minute

Muscular contraction

the process where muscles produce tension, and in many cases, movement by shortening or lengthening their fibers

Muscular endurance

the ability of muscles to sustain repeated contractions over an extended period without fatigue

Muscular strength

the ability of a muscle or muscle group to exert maximal force against resistance

Overload principle

to improve fitness or performance, you must consistently challenge your body with more work than it's accustomed to

Plyometrics

a type of exercise technique that involves explosive, jumping movement

Range of motion

the extent of movement a joint can achieve

Repetitions

the action of repeating something that has already been said or written.

Warm-up

a period or act of preparation for a game, performance, or exercise session, involving gentle exercise or practice.